He built a working 3D-printed RC skid steer with Claude Code — 163 prompts, 493M tokens, 16 days
CheapWelder4303 · reddit · 2026-11-01
A Redditor with 2 years of CAD experience delegated mechanical modeling entirely to AI: using a $20/month Claude Code subscription plus Fusion 360 MCP, he designed and built a functional 3D-printed RC skid steer in 16 days with 163 prompts and 493M tokens ($223 at API rates). The agent wrote the modeling scripts while he played video games. Not a magic button, but proof you no longer need hundreds of hours to learn involute gear profiles — describe what you want and get a working mechanism.
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